International Day against Nuclear Tests 2025

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Date & Origin

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UN Recognition

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Theme 2025

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Significance

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Global Call

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International Day against Nuclear Tests 2025

Date & Origin

Observed on 29 August, marking the closure of Semipalatinsk Nuclear Test Site (1991) in Kazakhstan.

UN Recognition

Declared by the United Nations in 2009 to raise global awareness against nuclear testing.

Theme 2025

“Ending nuclear testing for the sake of humanity and environment, peace and security.”

Significance

Highlights health, environmental, and humanitarian impacts of nuclear tests.

Global Call

Urges universal ratification of the Comprehensive Nuclear-Test-Ban Treaty (CTBT) and international cooperation for a nuclear-test-free world.